Telephone



Jime 11, 1929. J. o. CADIEUX 1,717,091

TLPHONE Filed June 1928 4 Sheets-Sheet 1 June 11, 1929. J. o. CADIEUX 1.717.091

TLPHONE Filed June 1928 4 SheetsSheet 2 lune 9. J. o. CADIEUX 1,717,091

' TLPHONE Filed June 28 L 4 Sheets-Sheet 3 .une 11, 1929. o. CAD1EUx 1,717,091

TELEPHON Filed June 28 4 Sheets-Sheec 4 Patented June 11, 1929.

JOSEPH O. CADIE'X, OF MERIDEN, CONNECIICUT, ASSIGNOR T BYRON A. FONES, OIE? BRIDGEPORT, CONNECTICUT, RECEIVER FOR. CNNECTICUT TELEPHONE '& EL.EC- TRIO COMPANY, INC., A CORPORATION OIE CONNECTICUT.

TELEPHONE.

Application fileil June 1, 1928. Serial No. 282,102.

My invention relates particularly to what are sometimes termed apartment bouse tele 7 phones.

One object is to provide a construction which ean be re.dily installed.

Another object is to provide a construction which is compact and yet capable of connec tion and use in a variety of di fi'erent ways.

Another object is to providc a construction of the character described Which can be economically made and assembled.

Another object is to provide a telephone of this character having a receiver with cord extension, but without any protruding hook or stud.

Another object is to provide an insulating support for the transmitter, bell, receiver switch, push buttons and all the electrical c'ennections therefor.

,Another object is to provide a construo tion of the above Charzicter which 'can be readily pluggcd 'into and removed from Wall connections without the use ofbinding posts, screws, or the like.

Inthe preferrcd form the apparatus comprises a casing or housing composed of two parts, namely, a wall or supporting back momber and a front or detachable body member. The back member oarries a series of stationary aws or sockets which are electrically connected to the house wirin g system, and the front member carries the trans1nitter, the bell, the push buttons, the reeeiver switch and all the necessary connections, together with blades adapted to be plugged into the soekets. One of the parts has a flange serving to laterally surround the transmitter, vibrator, switcheszind electrical connections.

Fig. 1 is a rear view of the front part of one form of construction emboclying my invention showing thebell partly broken away and showing the receiver suspended from the hook switch. Fig. 2 is a vertical sectional view on the plane of the line 22 of Fig. 1 showing the *receiver suspended from the. bock beneath thecasing.

Fig. 3 is a front view of the back part 01:- plate of the construction shown in,Fig. 2, the front part bei1ig omitted or removod.

Fig. 4 is a horizontal sectional view on the flanc of the line 4 -=4 cf Figs. 1 and 2 look= ing upw;xflly.

Fig. 8 is a horizontal section and end viewof the device of Figs. 6 and 7 associated.

Fig. 9 is a vertical sectional view of a fragment of the construction of Fig. 6.

Fig. 10 is a front view of another form of construction embodying the electrical and insulating features of F 6 and showing parts in section on the plane of the line 1010 of Fig. 11.

Fig. 11 is a side view and partial section of the construction shown in Fig. 10 with the face plate in place.

In the construction shown on Sheets 1 and 2, the back plate 10 and the front plate 11, to-

gether with the wall 12 constitute the receptacle or casing. In this case the back plate is formed of metal and provided with a number of pairs of slots 13, 14, 15and 16 to facilitate the connection of the back plate by means of screws to any of the usual forms of outlet boxes commonly cmployed when the house wiring is to be concealed. The elongation of these slots permits a considerable degree of angular rotation so as to enable the telephone box to be installed vertically even though the outlet box may be somwhat tilted or displaced.

The back and front members of the casing are p rovided with interfitting guide me1nbers s'uch as the posts 17 and the sockets 18 so that the parts of the casing may be brought into their prOper relative positions when installed. The parts may be secured togcther by scrervs 19 passing through the face plate into the posts 17. Although I have shown the casing of the conventional rectangular form it is obvious according to my invention that the casing might be made of any shape. The outer or front plate may be formed integrally with the surrounding flange 01 Wall 12 or separate, as Will be seen in the forms shown in Sheets 3 and 4.

For wiring purposes I provide an insulating block 20 Which is secured in a suitable mannei to the baek plate, for instance, by scrste 21.. This blcek carries a series et Cil terminal plates 22 each of which is sccured in place by a scrcw such as 28, which also serves to anchor the spring jaw or socket member 24. Each plate 11115 a binding screw 25 or other means of secnring a line terminal. Thcre will be as many of thcs terminal plates and sockcts or contact jaws as there are circuit connections to be made with the telephone. The back plate is provided with an opening 26 to admit the circuit wires (mot shown).

The front membcr 11 in turn carrics a numbcr et contact terminal bladcs 27, to correspond with and fit the sockcts or jaw members Q4. Each oi these blades 27 is suitably anchored to the insulation by a collar, screw, rivet or other similar device 27 embedded in the insnlation. Theseblades and sockets are so located and dimensioned thatthey come into engagement automatically after the p0- sitioning members 17 and 18 have been bronght into alignment. The resnlt is that there is no possibility of improperly connecting the blades and sockets since the interlocking and aligning members must first coact properly. 7

The telcplione transmittcr prcferably has a diaphragm membcr 30 and a microphonic de vice 31 which may be of any suitable con struction. The microphonic clcment 31 may be supported by a cross bar 32 on the frange 33 and held in place by screws 34;. The diaphragm is pressed by a contact spring or springs 35 which is anchored, for instance, by a screw 36. These scrcws 34 and 36 may also serve to anchor the condncting strips 37 and 38. In back of the diaphragm 30 and surrounding the flange 33 is mounted the bell or alar1n device 39 which may be secnred to the cross bar 32 by one or more screws 40, thus in efi'cct providingg; a chamber behind the diaphragni 80.. The vibrator is prcfcrablv made as a completely assemble-d unit adapted to be inserted in the casing. This unit comprises a coil 41 vvith an armature 42 and supported by a trame 43. This trame has a lng 44 which is directly connccted with the core et the coil. The fiange 45 supports the armature 42 through the medium of the spring member 46 which also serves as the movable part of the vibrator contact, the stationary part oe-- ing secured to the lun 47 of the -frame. Tlns trame may be secured, for instance, by one or more scrcns 48 so that the vibrator may be readily installed or removed.

The receivcr 50 may be of anyv snitable constrnction and its diaphragm may conveniently serve as a buzzer of the call system as Wlll be hereinaf'tr nnderstood.

This receiver has the usual cord 51 with terminals 52 and 53 snitably anchored and electrically connected in the casing. In the form shownthe terminal 52 is connected by a strip 38 and contact 35 to the diaphragm 30; The other terminal 53 is connected to contact blade 60. One vibrator terminal is connected by strip 57 to strip 61 and switch contact 78. The othcr terminal of the vibrator coil is connected by a strip 58 to the bladc 59. The terminal 52 is also connected by the strip 59 to another blade contact.

A number 01 -push button switches may be provided depending upon the installation de sired, for instance, to open a front door of the building or to call the janitor or for other pnrposcs. Thcse push button switcl1cs are prefcrably arranged in line and each may consist of a button 70, a spring arm 71, and a stationary contact or bus bar 72. This stationary membcr 7 2 may be common to two or more of the pnsh bntton switches and may be anchored by ascrew or rivet 7 The stationary end of each spring arm 71 is snitably anchored to the insnlation and is connected to one of the blades such as 27 of the plugin connection of attachment. Strip 62 is connected to contact blade 55 and the latter by strip 56 to bus bar 72.

The so-called hook switch may be of any suitablc character, for instance, having contacts 75 and 76 which are normall separated, and the contacts 77 and 78 normally connected. The stationary ends of' these contact springs are suitably anchored and insulatcd trom each other and connected to the appropriate points by strips or wvires, for instance,.76 is connected t0 37, 77 is connected to 62 and 55 and 78 is connected to 61 Thesc fiat condnctors ensure accurate and perma' nent connections withont the use of 10050 wires or soldering.

In order to avoid projccting stnds or hooks such as are commonly employed in telephones of this character I have provided a special l1ook 80monnted bcneath the casino; on. Which the usual eye 81 of the receiver may be bang. This hook is carried by a plunger 82 Which is reciprocable in a bushing 83 secnred in the bottom Wall of the casing'. The upper end of tliis plunger is loosely connected to the outer en d et the contact spring 77 so that the weight of the receiver normally holds the two contacts 77 and 78 together. The spring 84 on the inner end of the plnnger 82 is snflciently strong to raise the contact 77 and press.it against the contact 76 and the latter against the contact 7 5 when the rcceiver 50 is takcn off the hook forthe pnrpose of listening. The shank 85 of the hook stops against the sl1oulder 86 in this upward movcment. The cord 51 is connectedby a link 87 to the rear end 88 of the hook 50 that the hook switchwill be antomatically drawn clown to the normally inactive position in case the receiver lias not been returned to the hook in the proper way.

Other forms of bock switches may be employed for certain purposcs. Obviouslv an induction coil 89 may be used in modifications of this construction berein set forth.

Preferably all the condncting parts are secured by anchorage members such' as 27 50 as to avoid the use of separate insulating strips, bushings and Washcrs.

In the form of the invention shown on Sheet 3 arear member of the casing is in the form of an ontlet box intended to be mounted in the wall with its outer edge flush with the surface of the wall as is customary in structures of this character. The wire ter- 1ninals and stationary contacts for effecting the electrical connections with the telephone instrument are all monted on the insulating cross bar 91 which is supported by straps 92 and scrcws 93 whieh pass thrOugh lugs 94 in the front of the box.

The front member of the casing is made-up of a body part 95 and a plate 96 Which together carry the transmitter, the receiver, the vibrator, the hook switch, and the push button and the necessary electrical connections.

The part 95 is preferably formed of insula tien and has grooves 97 which correspond with the projecting luge 98 at the edges of the opening of the box so that the front member is properly directioned when inserted into the box. The part 95 may be secnred to the part 96 in any suitable manner. The front plate and the attached insulating member 95 is secured in position by screws (which are not shown) Which pass through the openings 99 into screw seats in the lugs 98.

The contact blades 100 are anchored to the. insulating body 95 for instance by means of tubular rivets 101 which also anchor the strap members 102. These blades 100 are adapted to coact with the contact. jaws or sockets 103 which are carried by the insulat ing cross bar 91. The lengthsof the blades 100 and the sockets 103 are such that they do notcome into contact with each other until after the lugs 98 and grooves 97 are in engagement. The spring contact 104 for the. push button 105 is connected by screw 106 to the strap 102. The bar 107 serves as the stationary contact for the contact springs 104 and 108.

The diaphragm 110 and microphonic contact 111 are monnted in the recess bctween the body 95 and plate 96 and suitably connected to the appropriate plug blades and switch contacts. v

In this case the. bclls 115 are 1nonnted on the front and theringing armature 116 is operated by the electro-magnet 117 at the rear. The latter is supported by a frame 118 which is secured to the insulating body 95 in any suitable manner. r

in this form of construction the 4 telephone switch 120 is secnred to the back of an insulating block 95 and operated by the hook switch 121 Which projects through the front of the plate. Although the receiver is not shown in this figure it. Should be understood that any suitable form may be employed and that it would be connected in the circuit in the usual 'manner.

In the form shown on Sheet 4the casing is intended to be mounted on the outer face of the wall. The back plate is secured to the wall and carries the insnlating block 131 avith the socket jaws 1.32. The front part of the casing consi. 3 of the insulating block 133 and the front. plate 13 1. In this form all of the live parts are surrounded by of the insulating block 183 se to bringthe parts int-o proper alignment. The contact blades 138 are secured to the insulating body 133 in any suitable manner and connected to the a )propriato elements of the telephone transmitter, receiver, vibrator and push button switches.

The switch 140 may be of any suitable character and operated by the hook 141 in the nSual manner. The transmitter diaphragm 142 and microphonic device 143 are also secured to the front member of the casing.

It Will be seen from the foregoing that in each form of the invention as herein illustrated the wall member or back part of the casing can be installed and wired into the house lino very readily even before the relephone instrument is available. After the wiring is completed the front partof the casing is readily inserted and secured in place without req uiring any wiring to be donc.

Reversely the front part of the cas ing can be readily renwved and all the cloctrical connections and devices readily inspected vvithont connecting or disconnecting any w1res.

Obviously the easing may be made of any suitable material and built up of any number of parts. It is most desirable however that the back part or plate Which is secured to the Wall be formed of metal and that such part of the front member as directly carries the conducting membcrs be formed of insulating material. It is also preferred that all the movable parts be mounted in back of or behind the plane of the face plate so as to aff0rda neat appearance and have as few projeeting parts as possible.

, I contemplate that otherforms of pingin connecting guides and contacts may be employed within the spirit and scope of my invention.

It should also be understood that the same construction may be used for various circuit arrangements with and without bells by simply changing the connecting stripS (for instance in Fig. 1) and the connections between the bus bar 72 and the various plug blades orthe like. The receiver diaphragm may be used as a buzzer by using an interrupter in the circuit at the point frein Which the call is to be made.

. The construction of the casing With the tra.nsnntter diaphragm and nncrophon1c deviceconcentrlc w1th the concealed signal bell is claimed in 'my application #359,123 filed April 99, 1929.

The means for snpport1ng the res1lront swrtch contact fingers and their circuit terminals togethcr with a 1nOdified form of op back and front members, the back 1nember being adapted to be secured to a wall, circuit terininals carried loy said back member, the front inember beng detachably connected to the baCk member and having a transmitter, a receiver and a bock switch and automatically engaging Contacts carried by said front and back members and connected respectively to said transmitter, receiver and hook switch,

3. A telephone coinprising a back member having a series of sockets, a front 1nember having contacts adapted to said sockets, a transnritter and receiver carried by the front n1ember, said back member and 'said front member having intcrfitting aligning members coactingwith each other during the insertion of the contacts into the sockets.

4. A telephone comprising a back 1ne1nber having a series of sockcts, a front insulating body having contacts adapted to'said Sockets, a transmitter and receiver carried by the insulating body, said'back mcmber and said body having interfitting aligning n1embers coueting With each other in advance of the insertion of the contacts into the sockets.

5. A telephone comprising a back n1en1ber having a series of sockets, a front member having contacts adapted to said sockets, a transniitter and receiver carricd by the front member, said back mcmber and said front member having interfitting aligningmembers coacting with each other during the inser- =tion of the coi1tactsintothe socke'ts andmeans for secnring the front and back mmbers together. r

6. AtelephbnecomPrising a back men'floer having contacts, a front me1nbcr having Contacts to coact therewith, a bus bar'carried by the front dne1nber andconnected to ,s01ne of the front contacts and a plnrality of spring arms coacting with said bus bar, each arm having a pnsh button.

7. A tclephone comprising a casing composed of a back memberhaving contacts and a front 'meinber having contacts to coact therewith, abus bar carried by thefro1itmemb r and corinected to some of the front con* tactsand a plarality of Spri11gpressed pnsh battons coacting therewith.

8. A teleDhone c0rnprisinga wall casing containing a transmittcr and a switch, a switch hook operating entirely beneath said casing and a recivcr adapted to engage said hook and having a cord connected to said bock.

9. A telephone cOmp1ising a 'wall casing containing a transmitter and a switch, a spring-presssed plunger depending from said switch beneath said casing and a receiver adapted to engage saidplunger and having a cord connected thercto. r

10. A telephone construction comprising a wall plate having a plnrality of pairs of oppositely disposcd slots for receiving means for attaching tlie -1)lateto varions types of ontlet boxes, contact men1bers carried by said plate and a frontplate adapted tobc seCured to the back plate and carrying the transmitter and contacts connected thercto and coacting with the contacts on the back plate.

11. In a telephone construction, au insulating body, a hook switch having contact members secured the'reto, a transmitter mounted in said body, cord terminals secnred to said body, and pref0rmed fiat conducting strips connecting the respective elements according to a predetermincd circuit arrangement.

12. In a telephone construction, an insulating body, a seriesof contacts and terminals carried thereby, a receiver cord secnred to some of said terminals a hook switch connccted to some of said terminals, abus bar secnred to said body and connected to one of said terminals and a pnsh button connected to one of said terminals and adapted to contact witli said bus bar.

JOSEPH o. CADIEX. 

